The resolution of a 10-meter telescope is about 0.01 arcsecond for visible light. Would you expect the actual angular resolution of a Keck 10-meter telescope in Hawaii to be better than, equal to, or worse than 0.01 arcsecond? Explain
What will be an ideal response?
It would be worse than 0.01 arcsecond because of the distortion caused by atmospheric turbulence.
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Equation of Traveling Waves: What are the wavelength (in meters) and frequency (in hertz) of a wave whose displacement is given by the equation y = 0.5 sin(0.20x + 120t), where x and y are in meters and t is in seconds?
A. 10 m, 0.50 Hz
B. 5.0 m, 10 Hz
C. 19 m, 120 Hz
D. 31 m, 19 Hz
E. 0.20 m, 120 
Hz
Molecular Vibration: If a diatomic quantum mechanical vibrator in its ground state has energy E, what is its energy in its second state above the ground state?
A. E. B. 3E. C. 5E. D. 7E. E. 9E.
A gas expands from an initial volume of 0.040 m3 and an initial pressure of 210 kPa to a final volume of 0.065 m3 while its temperature is kept constant. How much work is done by the system?
A) 3.7 kJ B) 4.1 kJ C) 5.3 kJ D) 5.6 kJ E) 7.9 kJ
A block of wood has density 0.50 g/cm3 and mass 2250 g. It floats in a container of oil (the oil's density is 0.75 g/cm3). What volume of oil does the wood displace?
a. 3000 cm3 c. 1500 cm3 b. 2250 cm3 d. 1000 cm3